Rezolva impartirile date in doua moduriRezolvareMetoda 1(28 + 7) : 7 = 28 : 7 + 7 : 7 = 4 + 1 = 5(54 - 18) : 6 = 54 : 6 - 18 : 6 = 9 - 3 = 6
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Metoda 2(28 + 7) : 7 = 35 : 7 = 5(54 - 18) : 6 = 36 : 6 = 6Probleme si